[INFO] cloning repository https://github.com/superhorse622/Rust-Connectfour
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/superhorse622/Rust-Connectfour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperhorse622%2FRust-Connectfour", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperhorse622%2FRust-Connectfour'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7e7acabc4baaf657981406c25ab701ff056aa57
[INFO] checking superhorse622/Rust-Connectfour against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperhorse622%2FRust-Connectfour" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/superhorse622/Rust-Connectfour
[INFO] finished tweaking git repo https://github.com/superhorse622/Rust-Connectfour
[INFO] tweaked toml for git repo https://github.com/superhorse622/Rust-Connectfour written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/superhorse622/Rust-Connectfour on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/superhorse622/Rust-Connectfour already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2be8b745674ddcb455dd4cae5679c4d2c9f27895d5be6055b5bf1ad85f48279
[INFO] running `Command { std: "docker" "start" "-a" "a2be8b745674ddcb455dd4cae5679c4d2c9f27895d5be6055b5bf1ad85f48279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2be8b745674ddcb455dd4cae5679c4d2c9f27895d5be6055b5bf1ad85f48279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2be8b745674ddcb455dd4cae5679c4d2c9f27895d5be6055b5bf1ad85f48279", kill_on_drop: false }`
[INFO] [stdout] a2be8b745674ddcb455dd4cae5679c4d2c9f27895d5be6055b5bf1ad85f48279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e6e278dc34d808f4006674565199b2c5c74d941d7eeb96c949038de3fc69655
[INFO] running `Command { std: "docker" "start" "-a" "0e6e278dc34d808f4006674565199b2c5c74d941d7eeb96c949038de3fc69655", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling crossbeam-queue v0.3.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling camino v1.0.7
[INFO] [stderr]    Compiling semver v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking euclid v0.22.6
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking ttf-parser v0.14.0
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling pulldown-cmark v0.9.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking float_next_after v0.1.5
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[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking hound v3.4.0
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[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking glam v0.20.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking lyon_geom v0.17.6
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking xdg v2.4.0
[INFO] [stderr]     Checking owned_ttf_parser v0.14.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking x11-dl v2.19.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking lyon_path v0.17.7
[INFO] [stderr]     Checking ab_glyph v0.2.13
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking mio-misc v1.2.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking glyph_brush_layout v0.2.3
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking lyon_algorithms v0.17.7
[INFO] [stderr]     Checking lyon_tessellation v0.17.10
[INFO] [stderr]     Checking twox-hash v1.6.2
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking lyon v0.17.10
[INFO] [stderr]     Checking glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking glyph_brush_draw_cache v0.1.5
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]     Checking gilrs-core v0.3.2
[INFO] [stderr]     Checking glyph_brush v0.7.3
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking gilrs v0.8.2
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking rodio v0.14.0
[INFO] [stderr]     Checking wayland-client v0.28.6
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking wayland-protocols v0.28.6
[INFO] [stderr]     Checking wayland-egl v0.28.6
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]     Checking glutin v0.27.0
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]     Checking old_school_gfx_glutin_ext v0.27.0
[INFO] [stderr]    Compiling ggez v0.7.0
[INFO] [stderr]     Checking connectfour v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     #[structopt(short, long, default_value="Player1")]
[INFO] [stdout] 26 | |     first_name: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     #[structopt(short, long, default_value="Player2")]
[INFO] [stdout] 29 | |     second_name: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     #[structopt(short, long, default_value="Player1")]
[INFO] [stdout] 26 | |     first_name: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     #[structopt(short, long, default_value="Player2")]
[INFO] [stdout] 29 | |     second_name: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `connectfour` (bin "connectfour" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `connectfour` (bin "connectfour") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0e6e278dc34d808f4006674565199b2c5c74d941d7eeb96c949038de3fc69655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6e278dc34d808f4006674565199b2c5c74d941d7eeb96c949038de3fc69655", kill_on_drop: false }`
[INFO] [stdout] 0e6e278dc34d808f4006674565199b2c5c74d941d7eeb96c949038de3fc69655
